CA2026853A1 - Controlled Discharge Defibrillation Electrode - Google Patents

Controlled Discharge Defibrillation Electrode

Info

Publication number
CA2026853A1
CA2026853A1 CA2026853A CA2026853A CA2026853A1 CA 2026853 A1 CA2026853 A1 CA 2026853A1 CA 2026853 A CA2026853 A CA 2026853A CA 2026853 A CA2026853 A CA 2026853A CA 2026853 A1 CA2026853 A1 CA 2026853A1
Authority
CA
Canada
Prior art keywords
electrode
conductive
electrically
electrode comprises
connected together
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2026853A
Other languages
French (fr)
Other versions
CA2026853C (en
Inventor
Roger W. Dahl
Ronald W. Heil, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2026853A1 publication Critical patent/CA2026853A1/en
Application granted granted Critical
Publication of CA2026853C publication Critical patent/CA2026853C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0587—Epicardial electrode systems; Endocardial electrodes piercing the pericardium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/056—Transvascular endocardial electrode systems
    • A61N1/0563—Transvascular endocardial electrode systems specially adapted for defibrillation or cardioversion

Abstract

A defibrillation electrode for implantation on or about the heart and for connection to a defibrillation system. The electrode comprises a plurality of electrically conductive elements spaced apart and electrically connected together, thus, increasing the number of discharging edges on the electrode. In a first embodiment, the electrode comprises a plurality of concentric conductive rings electrically connected together. In a second embodiment, the electrode comprises a plurality of conductive planar elements electrically connected together in a generally puzzle-like configuration. In a third embodiment, the electrode comprises electrically conductive wires wrapped around the length of a cardiac catheter. In a fourth embodiment, electrically conductive wires are concentrically spiralled into a spiral patch configuration. In a fifth specific embodiment, a plurality of electrically isolated active sites are provided on the distal portion of an endocardial catheter. In all of the above embodiments, the electrical discharge of energy from the electrode to the heart surface favors the conductive edges of the electrically conductive and connected components of the electrodes.
Therefore, by increasing the number of conductive edges, a more uniform distribution of energy is delivered to the heart.
Furthermore, each of the electrode configurations may be constructed without an insulative backing to further increase the efficiency of discharge.
CA002026853A 1989-10-03 1990-10-03 Controlled discharge defibrillation electrode Expired - Fee Related CA2026853C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US416,421 1989-10-03
US07/416,421 US5063932A (en) 1989-10-03 1989-10-03 Controlled discharge defibrillation electrode

Publications (2)

Publication Number Publication Date
CA2026853A1 true CA2026853A1 (en) 1991-04-04
CA2026853C CA2026853C (en) 1998-08-18

Family

ID=23649911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002026853A Expired - Fee Related CA2026853C (en) 1989-10-03 1990-10-03 Controlled discharge defibrillation electrode

Country Status (9)

Country Link
US (1) US5063932A (en)
JP (1) JP2873069B2 (en)
AU (1) AU643458B2 (en)
CA (1) CA2026853C (en)
DE (1) DE4030642C2 (en)
FR (1) FR2652505B1 (en)
GB (2) GB2236484B (en)
IT (1) IT1241713B (en)
NL (1) NL195035C (en)

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Also Published As

Publication number Publication date
NL9002142A (en) 1991-05-01
GB2265551B (en) 1994-01-19
IT9067751A1 (en) 1992-04-02
IT9067751A0 (en) 1990-10-02
JP2873069B2 (en) 1999-03-24
DE4030642A1 (en) 1991-04-18
IT1241713B (en) 1994-01-31
CA2026853C (en) 1998-08-18
GB2236484B (en) 1994-01-19
GB2265551A (en) 1993-10-06
FR2652505B1 (en) 1995-08-04
DE4030642C2 (en) 1995-09-28
GB9311914D0 (en) 1993-07-28
AU6326090A (en) 1991-04-26
GB2236484A (en) 1991-04-10
JPH03133467A (en) 1991-06-06
GB9020914D0 (en) 1990-11-07
FR2652505A1 (en) 1991-04-05
US5063932A (en) 1991-11-12
NL195035C (en) 2003-06-25
AU643458B2 (en) 1993-11-18

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Effective date: 20081003